225606651 has 8 divisors (see below), whose sum is σ = 301130304. Its totient is φ = 150243720.

The previous prime is 225606617. The next prime is 225606653. The reversal of 225606651 is 156606522.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 225606651 - 2¹⁸ = 225344507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225606653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36865 + ... + 42546.

It is an arithmetic number, because the mean of its divisors is an integer number (37641288).

Almost surely, 2^225606651 is an apocalyptic number.

225606651 is a deficient number, since it is larger than the sum of its proper divisors (75523653).

225606651 is an equidigital number, since it uses as much as digits as its factorization.

225606651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80361.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 225606651 is about 15020.2080877730. The cubic root of 225606651 is about 608.7663421834.

The spelling of 225606651 in words is "two hundred twenty-five million, six hundred six thousand, six hundred fifty-one".